Q_IFMINVAL
Q_IFMINVAL(VSD(q32, vsd)->sq32));
Q_IFMINVAL(VSD(q32, vsd)->uq32));
Q_IFMINVAL(VSD(q64, vsd)->sq64));
Q_IFMINVAL(VSD(q64, vsd)->uq64));
[VSD_DTYPE_Q_S32] = {.q32 = {.sq32 = Q_IFMINVAL(INT32_MIN)}},
[VSD_DTYPE_Q_S64] = {.q64 = {.sq64 = Q_IFMINVAL(INT64_MIN)}},
if (Q_IFMINVAL(*(a)) + Q_GIFABSVAL(b) > Q_GIFVAL(*(a))) \